In this paper we examine the productivity of indigenous soil and water conservation investments in the Boukombe region in Northwest Benin, using an in-depth survey among 101 farmers on farm inputs, outputs, and SWC investments. We show that positive effects of SWC investments are only observed...

In this paper, we use firm-level panel data for the manufacturing sector in four African countries to estimate the effect of exporting on efficiency. Estimating simultaneously a production function and an export regression that control for unobserved firm effects, we find both significant...